English verb conjugation COULD TOOTH

Regular verb: tooth - toothed - toothed

Affirmation

Simple form

I could tooth
you could tooth
he could tooth
we could tooth
you could tooth
they could tooth

V-ing form

I could be toothing
you could be toothing
he could be toothing
we could be toothing
you could be toothing
they could be toothing

Perfect

I could have toothed
you could have toothed
he could have toothed
we could have toothed
you could have toothed
they could have toothed

V-ing perfect

I could have been toothing
you could have been toothing
he could have been toothing
we could have been toothing
you could have been toothing
they could have been toothing

Negation

Simple form

I couldn't tooth
you couldn't tooth
he couldn't tooth
we couldn't tooth
you couldn't tooth
they couldn't tooth

V-ing form

I couldn't be toothing
you couldn't be toothing
he couldn't be toothing
we couldn't be toothing
you couldn't be toothing
they couldn't be toothing

Perfect

I couldn't have toothed
you couldn't have toothed
he couldn't have toothed
we couldn't have toothed
you couldn't have toothed
they couldn't have toothed

V-ing perfect

I couldn't have been toothing
you couldn't have been toothing
he couldn't have been toothing
we couldn't have been toothing
you couldn't have been toothing
they couldn't have been toothing

Interrogative form

Simple form

could I tooth?
could you tooth?
could he tooth?
could we tooth?
could you tooth?
could they tooth?

V-ing form

could I be toothing?
could you be toothing?
could he be toothing?
could we be toothing?
could you be toothing?
could they be toothing?

Perfect

could I have toothed?
could you have toothed?
could he have toothed?
could we have toothed?
could you have toothed?
could they have toothed?

V-ing perfect

could I have been toothing?
could you have been toothing?
could he have been toothing?
could we have been toothing?
could you have been toothing?
could they have been toothing?

Interro-negative form

Simple form

couldn't I tooth?
couldn't you tooth?
couldn't he tooth?
couldn't we tooth?
couldn't you tooth?
couldn't they tooth?

V-ing form

couldn't I be toothing?
couldn't you be toothing?
couldn't he be toothing?
couldn't we be toothing?
couldn't you be toothing?
couldn't they be toothing?

Perfect

couldn't I have toothed?
couldn't you have toothed?
couldn't he have toothed?
couldn't we have toothed?
couldn't you have toothed?
couldn't they have toothed?

V-ing perfect

couldn't I have been toothing?
couldn't you have been toothing?
couldn't he have been toothing?
couldn't we have been toothing?
couldn't you have been toothing?
couldn't they have been toothing?

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